Action skips route

application.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  actions: {
    ping(from) {
      console.log("ApplicationRoute^ping from", from);
    }
  },
});

application.template.hbs

{{outlet}}

index.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    ping(from) {
      console.log("IndexController^ping from", from);
      return true;
    },
  },
  
  wake() {
    this.send('ping', 'index controller');
  }
});

index.route.js

import Ember from 'ember';

export default Ember.Route.extend({
  actions: {
    ping(from) {
      console.log("IndexRoute^ping from", from);
      return true;
    },
  },
  
  setupController(controller, _) {
    controller.wake();
  },
});

index.template.hbs

<button {{action 'ping' 'index template'}}>index</button>

twiddle.json

{
  "version": "0.4.9",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.11/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember-template-compiler.js"
  }
}